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Finding the Third Proportional to 39,177 and 58,618

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Solution

The third proportional to 39,177 and 58,618 is: 87,706.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,177 : 58,618 = 58,618 : x
  2. Step 2: Convert to fraction form
    39,177/58,618 = 58,618/x
  3. Step 3: Cross multiply
    39,177x = 58,618 × 58,618
  4. Step 4: Simplify right side
    39,177x = 3,436,069,924
  5. Step 5: Solve for x
    x = 3,436,069,924/39,177
  6. Step 6: Final answer
    x = 87,706.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.